Abstract:
These data are gravity and magnetometer data collected as part of the PCMEGA (Prince Chrales Mountains Expedition of Germany and Australia) expedition of 2002/2003.
An excerpt from the readme file associated with the data are provided below. For the full information, see the download file.
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*
... PCMEGA Airborne Magnetics and Gravity Survey *
* Prince Charles Mountains, Australian Territory, Antarctica *
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SURVEY SPECIFICATONS
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Survey company Fugro Airborne Surveys / Fugro-LCT
FAS job number 1550
LCT job number 5203
Survey dates December 2002 - January 2003
Base of operations Mount Cresswell, Antarctica
Traverse spacing5000 metres
Traverse direction 000-180 degrees
Tie spacing25000 metres
Tie direction 090-270 degrees
Line kilometres flown29,844
Survey altitude constant GPS height
Mean GPS Height
Area X2138 metres
Area Y2745 metres
Area Z3347 metres
Survey boundary
Datum WGS84
1. 67.799202E 77.581104S
2. 61.088149E 77.189071S
3. 62.633286E 75.420516S
4. 60.171411E 75.219142S
5. 61.877412E 73.837674S
6. 66.818626E 74.203749S
7. 67.469672E 73.373793S
8. 70.743586E 73.546207S
9. 67.799202E 77.581104S
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GEODETIC INFORMATION
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Datum WGS84
Projection Lambert Conic Conformal
Central meridian80E
Latitude origin 75S
False easting928916
False northing 554262
Standard parallel 1 72.66667S
Standard parallel 2 75.33333S
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AIRCRAFT
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Aircraft type DHC-6-300 Twin Otter
Aircraft registrationC-GCKB
Aircraft supplier Kenn Borek Air Canada
Average velocity 67 metres/second
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MAGNETICS SYSTEM
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Magnetometer Scintrex Model CS-2 Caesium Vapour
Installation bird towed on 53 metre cable
Resolution 0.001 nanotesla
Cycle rate 0.1 second
Sample interval 6.7 metres
Base station 2 x Scintrex Envi Mags
Cycle rate5 seconds
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GRAVITY SYSTEM
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Gravity system LaCoste and Romberg 'S' Meter
ZLS UltraSys Airborne upgraded
Resolution 0.1 mGal
Cycle rate 1 second
Sample interval 67 metres
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ALTITUDE SYSTEM
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Radar altimeter Collins ALT 50 Radar Altimeter
Range approximately 750 metres
Cycle rate 0.1 second
Laser altimeter Optech ADM Laser Altimeter
Range approximately 600 metres
Cycle rate 0.1 second
Barometric altimeterParoscientific 215A-101
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POSITIONING SYSTEM
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Aircraft GPS Trimble 4700
Navigation system Picodas PNAV-2100
Navigation real-time differential GPS
Base GPS Novatel GPScard 951R
Flightpath recovery post-processed differentially corrected GPS
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